mixins.py 文件源码

def str2img(jpgstr, orientation=None):
    import numpy as np
    import cv2
    arr = np.fromstring(jpgstr, np.uint8)
    img = cv2.imdecode(arr, cv2.IMREAD_COLOR)
    if orientation == 1:
        return cv2.flip(cv2.transpose(img), 0) # counter-clockwise
    if orientation == 3:
        return cv2.flip(cv2.transpose(img), 1) # clockwise
    return img